參數(shù)資料
型號(hào)： TPS65950ZXNT
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PBGA209
封裝： 7 X 7 MM, 0.40 MM PITCH, PLASTIC, BGA-209
文件頁數(shù)： 15/167頁
文件大?。?/td> 2566K
代理商： TPS65950ZXNT
7.2.4.9 PHY DPLL Electrical Characteristics
TPS65950
Integrated Power Management/Audio Codec
www.ti.com
SWCS032 – OCTOBER 2008
Table 7-13. Pullup/Pulldown Resistors (continued)
Parameter
Comments
Min(1)
Typ(2)
Max(3)
Unit
Pulldown Resistors
RPH_DP_DWN
Phone D+/– pulldown
Driver outputs unloaded
14.25
18
24.8
k
RPH_DM_DWN
High (floating)
VIHZ
Pullups/pulldowns on DP and DM lines
2.7
3.6
V
D+/– Data Line
Upstream facing port
CINUB
22
75
pF
OTG device leakage
VOTG_DATA_LKG
0.342
V
Input impedance exclusive of
Driver outputs unloaded (waiver from usb.org
ZINP
80
120
k
pullup/pulldown(4)
standards committee)
(4)
Waiver received from usb.org standards committee on ZINP 300kmin specification
USB DPLL supports input frequencies of 12, 13, 19.2, 24, and 26 MHz. The input frequency must be
programmed through frequency select bits. USB DPLL provides a low jitter and gives eight equidistant
phases of the 480-MHz clock for the USB receiver.
Table 7-14 lists the electrical characteristics of the PHY DPLL.
Table 7-14. PHY DPLL Electrical Characteristics
Parameter
Comments
Min(1)
Typ(2) Max(3)
Unit
12
13
Input clock
19.2
MHz
24
26
Digital supply
VINTDIG
1.35
1.5
1.65
V
Analog 1.5-V supply
VRUSB_1V5
1.35
1.5
1.65
V
Analog 1.8-V supply
VRUSB_1V8
1.62
1.8
1.98
V
Output frequency (eight phases)
480
MHz
RMS period jitter (output)
10
ps
Deterministic period jitter (output)
50
ps
Frequency band: 1 to 10 Hz
310
Frequency band: 10 to 100 Hz
90
Frequency band: 100 to 1000 Hz
30
RMS jitter per phase noise
Frequency band: 1 to 10 kHz
10
ps
frequency band (input)
Frequency band: 10 to 100 kHz
10
Frequency band: 0.1 to 0.5 MHz
290
Frequency band: 0.5 to 1 MHz
650
Deterministic period jitter (input)
100
ps
Frequency error (input)
±150
ppm
Frequency error (output)
±500
ppm
Phase-to-phase variation
35
ps
Noise on digital 1.5-V supply
100
mV
Noise on analog 1.5-V supply
50
mV
Noise on analog 1.8-V supply
36
mV
(1)
Min = Minimum value
(2)
Typ = Typical value
(3)
Max = Maximum value
USB HS 2.0 OTG Transceiver
111
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